./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:07,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:07,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:20:07,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:07,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:07,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:07,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:07,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:07,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:07,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:07,923 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:07,923 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:07,923 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:07,925 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:07,925 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:07,926 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:07,926 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:07,927 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:07,927 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:07,927 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:07,928 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:07,928 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:07,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:07,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:07,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:07,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:07,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:07,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:07,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:07,932 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:07,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:07,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:07,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:07,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:07,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:07,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:07,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:07,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:07,935 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:07,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:07,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:07,936 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:07,936 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:07,936 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:07,937 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bce5aa2319ae110f8a0b01ff2a22780545859bbd4eceb3e6d7a0268461602692 [2023-11-24 23:20:08,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:08,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:08,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:08,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:08,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:08,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-24 23:20:11,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:12,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:12,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-24 23:20:12,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/data/a70cce808/390dd4a6717740d490f7ce32c176faed/FLAGcb3889422 [2023-11-24 23:20:12,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/data/a70cce808/390dd4a6717740d490f7ce32c176faed [2023-11-24 23:20:12,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:12,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:12,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:12,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:12,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:12,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:12" (1/1) ... [2023-11-24 23:20:12,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb9c75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:12, skipping insertion in model container [2023-11-24 23:20:12,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:12" (1/1) ... [2023-11-24 23:20:12,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:20:17,255 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-24 23:20:17,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-24 23:20:17,261 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-24 23:20:17,266 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-24 23:20:17,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:17,476 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:20:17,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [7928] [2023-11-24 23:20:17,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [7935] [2023-11-24 23:20:17,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (341), "i" (12UL)); [8339-8340] [2023-11-24 23:20:17,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (543), "i" (12UL)); [8706-8707] [2023-11-24 23:20:17,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (602), "i" (12UL)); [8813-8814] [2023-11-24 23:20:17,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (698), "i" (12UL)); [8978-8979] [2023-11-24 23:20:17,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (713), "i" (12UL)); [9012-9013] [2023-11-24 23:20:17,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"drivers/media/pci/cx88/cx88-video.c"), "i" (814), "i" (12UL)); [9265-9266] [2023-11-24 23:20:18,375 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588044,588057] [2023-11-24 23:20:18,376 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588213,588226] [2023-11-24 23:20:18,377 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588380,588393] [2023-11-24 23:20:18,377 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i[588548,588561] [2023-11-24 23:20:18,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:20:18,647 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:20:18,655 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:20:18,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18 WrapperNode [2023-11-24 23:20:18,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:18,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:18,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:20:18,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:20:18,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:18,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,024 INFO L138 Inliner]: procedures = 539, calls = 4320, calls flagged for inlining = 263, calls inlined = 250, statements flattened = 9014 [2023-11-24 23:20:19,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:20:19,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:20:19,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:20:19,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:20:19,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:20:19,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:20:19,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:20:19,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:20:19,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (1/1) ... [2023-11-24 23:20:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:20:19,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:20:19,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7245e0ee-4ee9-44af-b11c-95d09cad16f4/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:20:19,779 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2023-11-24 23:20:19,779 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2023-11-24 23:20:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-24 23:20:19,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-24 23:20:19,780 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamon [2023-11-24 23:20:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamon [2023-11-24 23:20:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_unregister_video [2023-11-24 23:20:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_unregister_video [2023-11-24 23:20:19,781 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2023-11-24 23:20:19,781 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2023-11-24 23:20:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:20:19,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:20:19,783 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_input [2023-11-24 23:20:19,784 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_input [2023-11-24 23:20:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2023-11-24 23:20:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2023-11-24 23:20:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2023-11-24 23:20:19,786 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2023-11-24 23:20:19,786 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:20:19,787 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:20:19,787 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvnorm [2023-11-24 23:20:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvnorm [2023-11-24 23:20:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_77 [2023-11-24 23:20:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_77 [2023-11-24 23:20:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_tvaudio [2023-11-24 23:20:19,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_tvaudio [2023-11-24 23:20:19,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:20:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-24 23:20:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_vid_ctrl [2023-11-24 23:20:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_vid_ctrl [2023-11-24 23:20:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2023-11-24 23:20:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2023-11-24 23:20:19,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-24 23:20:19,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_cx8800_dev [2023-11-24 23:20:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:20:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:20:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2023-11-24 23:20:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2023-11-24 23:20:19,790 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_shutdown [2023-11-24 23:20:19,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_shutdown [2023-11-24 23:20:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:20:19,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2023-11-24 23:20:19,791 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2023-11-24 23:20:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2023-11-24 23:20:19,792 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_newstation [2023-11-24 23:20:19,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_newstation [2023-11-24 23:20:19,793 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2023-11-24 23:20:19,793 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2023-11-24 23:20:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-24 23:20:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2023-11-24 23:20:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2023-11-24 23:20:19,794 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_vdev_init [2023-11-24 23:20:19,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_vdev_init [2023-11-24 23:20:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure video_mmap [2023-11-24 23:20:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mmap [2023-11-24 23:20:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:20:19,795 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:20:19,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-24 23:20:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-24 23:20:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:20:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:20:19,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2023-11-24 23:20:19,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2023-11-24 23:20:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2023-11-24 23:20:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2023-11-24 23:20:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-24 23:20:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-24 23:20:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_poll [2023-11-24 23:20:19,797 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_poll [2023-11-24 23:20:19,797 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2023-11-24 23:20:19,798 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2023-11-24 23:20:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2023-11-24 23:20:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2023-11-24 23:20:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2023-11-24 23:20:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2023-11-24 23:20:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2023-11-24 23:20:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2023-11-24 23:20:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_setup [2023-11-24 23:20:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_setup [2023-11-24 23:20:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:20:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_stereo [2023-11-24 23:20:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_stereo [2023-11-24 23:20:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_vbi_fmt [2023-11-24 23:20:19,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_vbi_fmt [2023-11-24 23:20:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-24 23:20:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-24 23:20:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_audio_thread [2023-11-24 23:20:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2023-11-24 23:20:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2023-11-24 23:20:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2023-11-24 23:20:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2023-11-24 23:20:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:20:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-24 23:20:19,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2023-11-24 23:20:19,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-24 23:20:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-24 23:20:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_restart_vbi_queue [2023-11-24 23:20:19,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_restart_vbi_queue [2023-11-24 23:20:19,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:20:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_finidev [2023-11-24 23:20:19,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_finidev [2023-11-24 23:20:19,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-24 23:20:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-24 23:20:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2023-11-24 23:20:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2023-11-24 23:20:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_querycap [2023-11-24 23:20:19,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_querycap [2023-11-24 23:20:19,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-24 23:20:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-24 23:20:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_set_freq [2023-11-24 23:20:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_set_freq [2023-11-24 23:20:19,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-24 23:20:19,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-24 23:20:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_s_aud_ctrl [2023-11-24 23:20:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_s_aud_ctrl [2023-11-24 23:20:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2023-11-24 23:20:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2023-11-24 23:20:19,807 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-24 23:20:19,807 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-24 23:20:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_video_mux [2023-11-24 23:20:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_video_mux [2023-11-24 23:20:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:20:19,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:20:19,808 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2023-11-24 23:20:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2023-11-24 23:20:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2023-11-24 23:20:19,809 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2023-11-24 23:20:19,809 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2023-11-24 23:20:19,810 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2023-11-24 23:20:19,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:20:19,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-24 23:20:19,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:20:19,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-24 23:20:19,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-24 23:20:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-24 23:20:19,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-24 23:20:19,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-24 23:20:19,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-24 23:20:19,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2023-11-24 23:20:19,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2023-11-24 23:20:19,817 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2023-11-24 23:20:19,818 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2023-11-24 23:20:19,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:20:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-24 23:20:19,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-24 23:20:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:20:19,824 INFO L130 BoogieDeclarations]: Found specification of procedure video_release [2023-11-24 23:20:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure video_release [2023-11-24 23:20:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:20:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-24 23:20:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:20:19,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-24 23:20:19,825 INFO L130 BoogieDeclarations]: Found specification of procedure restart_video_queue [2023-11-24 23:20:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure restart_video_queue [2023-11-24 23:20:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2023-11-24 23:20:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2023-11-24 23:20:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_wakeup [2023-11-24 23:20:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_wakeup [2023-11-24 23:20:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:20:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:20:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_s_ctrl [2023-11-24 23:20:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_s_ctrl [2023-11-24 23:20:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2023-11-24 23:20:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2023-11-24 23:20:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2023-11-24 23:20:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2023-11-24 23:20:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_enum_input [2023-11-24 23:20:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_enum_input [2023-11-24 23:20:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2023-11-24 23:20:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2023-11-24 23:20:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure video_set_drvdata [2023-11-24 23:20:19,828 INFO L138 BoogieDeclarations]: Found implementation of procedure video_set_drvdata [2023-11-24 23:20:19,828 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_tuner [2023-11-24 23:20:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_tuner [2023-11-24 23:20:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure res_check [2023-11-24 23:20:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure res_check [2023-11-24 23:20:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2023-11-24 23:20:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2023-11-24 23:20:19,829 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_buffer [2023-11-24 23:20:19,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_buffer [2023-11-24 23:20:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-24 23:20:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-24 23:20:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2023-11-24 23:20:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2023-11-24 23:20:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2023-11-24 23:20:19,830 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2023-11-24 23:20:19,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:20:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:20:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_risc_stopper [2023-11-24 23:20:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_risc_stopper [2023-11-24 23:20:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-24 23:20:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-24 23:20:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-24 23:20:19,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-24 23:20:19,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-24 23:20:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-24 23:20:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_std [2023-11-24 23:20:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_std [2023-11-24 23:20:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:20:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-24 23:20:19,832 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_streamoff [2023-11-24 23:20:19,832 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_streamoff [2023-11-24 23:20:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_setup [2023-11-24 23:20:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_setup [2023-11-24 23:20:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_free_buffer [2023-11-24 23:20:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_free_buffer [2023-11-24 23:20:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2023-11-24 23:20:19,833 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2023-11-24 23:20:19,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-24 23:20:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-24 23:20:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_input [2023-11-24 23:20:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_input [2023-11-24 23:20:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-24 23:20:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-24 23:20:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure res_get [2023-11-24 23:20:19,834 INFO L138 BoogieDeclarations]: Found implementation of procedure res_get [2023-11-24 23:20:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_mmap_free [2023-11-24 23:20:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_mmap_free [2023-11-24 23:20:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_resume [2023-11-24 23:20:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_resume [2023-11-24 23:20:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-24 23:20:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_cx8800_pci_driver_exit_15_2 [2023-11-24 23:20:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2023-11-24 23:20:19,835 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2023-11-24 23:20:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-24 23:20:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-24 23:20:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2023-11-24 23:20:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2023-11-24 23:20:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure video_poll [2023-11-24 23:20:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure video_poll [2023-11-24 23:20:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:20:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-24 23:20:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-24 23:20:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:20:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2023-11-24 23:20:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2023-11-24 23:20:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_find [2023-11-24 23:20:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_find [2023-11-24 23:20:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2023-11-24 23:20:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2023-11-24 23:20:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure start_video_dma [2023-11-24 23:20:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure start_video_dma [2023-11-24 23:20:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:20:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:20:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:20:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2023-11-24 23:20:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2023-11-24 23:20:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-24 23:20:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-24 23:20:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_queue [2023-11-24 23:20:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queue [2023-11-24 23:20:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-24 23:20:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-24 23:20:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-24 23:20:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-24 23:20:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2023-11-24 23:20:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2023-11-24 23:20:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-24 23:20:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-24 23:20:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2023-11-24 23:20:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2023-11-24 23:20:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-24 23:20:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-24 23:20:19,845 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2023-11-24 23:20:19,845 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2023-11-24 23:20:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure video_register_device [2023-11-24 23:20:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure video_register_device [2023-11-24 23:20:19,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_78 [2023-11-24 23:20:19,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_78 [2023-11-24 23:20:19,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-24 23:20:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-24 23:20:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:20:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:20:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:20:19,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_79 [2023-11-24 23:20:19,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_79 [2023-11-24 23:20:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_input [2023-11-24 23:20:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_input [2023-11-24 23:20:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:20:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:20:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_tuner [2023-11-24 23:20:19,849 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_tuner [2023-11-24 23:20:19,849 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-24 23:20:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-24 23:20:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_start_vbi_dma [2023-11-24 23:20:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_start_vbi_dma [2023-11-24 23:20:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_ir_stop [2023-11-24 23:20:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_ir_stop [2023-11-24 23:20:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2023-11-24 23:20:19,850 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2023-11-24 23:20:19,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-24 23:20:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-24 23:20:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:20:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:20:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:20:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:20:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2023-11-24 23:20:19,851 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2023-11-24 23:20:19,851 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-24 23:20:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-24 23:20:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2023-11-24 23:20:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2023-11-24 23:20:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure get_resource [2023-11-24 23:20:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_resource [2023-11-24 23:20:19,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:20:19,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-24 23:20:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2023-11-24 23:20:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2023-11-24 23:20:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure cx8800_initdev [2023-11-24 23:20:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8800_initdev [2023-11-24 23:20:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:20:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-24 23:20:19,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_cx8800_dev [2023-11-24 23:20:19,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-24 23:20:19,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-24 23:20:21,328 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:20:21,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:20:21,860 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-24 23:20:33,355 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-24 23:20:33,624 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:20:38,077 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:20:38,077 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:20:38,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:38 BoogieIcfgContainer [2023-11-24 23:20:38,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:20:38,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:20:38,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:20:38,087 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:20:38,087 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:12" (1/3) ... [2023-11-24 23:20:38,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6757e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:38, skipping insertion in model container [2023-11-24 23:20:38,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:18" (2/3) ... [2023-11-24 23:20:38,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6757e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:20:38, skipping insertion in model container [2023-11-24 23:20:38,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:20:38" (3/3) ... [2023-11-24 23:20:38,091 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-pci-cx88-cx8800.cil.i [2023-11-24 23:20:38,112 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:20:38,112 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:20:38,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:20:38,235 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@70faa503, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:20:38,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-24 23:20:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 2358 states, 1395 states have (on average 1.299641577060932) internal successors, (1813), 1411 states have internal predecessors, (1813), 811 states have call successors, (811), 150 states have call predecessors, (811), 149 states have return successors, (804), 803 states have call predecessors, (804), 804 states have call successors, (804) [2023-11-24 23:20:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2023-11-24 23:20:38,310 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:38,313 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:38,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:20:38,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:38,322 INFO L85 PathProgramCache]: Analyzing trace with hash -21085199, now seen corresponding path program 1 times [2023-11-24 23:20:38,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:38,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661845959] [2023-11-24 23:20:38,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:38,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 9509 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9509 trivial. 0 not checked. [2023-11-24 23:20:40,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:40,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661845959] [2023-11-24 23:20:40,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661845959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:40,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:40,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:20:40,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126126427] [2023-11-24 23:20:40,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:40,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:20:40,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:40,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:20:40,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:40,984 INFO L87 Difference]: Start difference. First operand has 2358 states, 1395 states have (on average 1.299641577060932) internal successors, (1813), 1411 states have internal predecessors, (1813), 811 states have call successors, (811), 150 states have call predecessors, (811), 149 states have return successors, (804), 803 states have call predecessors, (804), 804 states have call successors, (804) Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-24 23:20:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:45,624 INFO L93 Difference]: Finished difference Result 6791 states and 9991 transitions. [2023-11-24 23:20:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:20:45,626 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 514 [2023-11-24 23:20:45,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:45,688 INFO L225 Difference]: With dead ends: 6791 [2023-11-24 23:20:45,688 INFO L226 Difference]: Without dead ends: 4521 [2023-11-24 23:20:45,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:45,711 INFO L413 NwaCegarLoop]: 2921 mSDtfsCounter, 3174 mSDsluCounter, 2873 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3174 SdHoareTripleChecker+Valid, 5794 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:45,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3174 Valid, 5794 Invalid, 1045 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-24 23:20:45,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4521 states. [2023-11-24 23:20:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4521 to 4517. [2023-11-24 23:20:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4517 states, 2697 states have (on average 1.2955135335558028) internal successors, (3494), 2728 states have internal predecessors, (3494), 1523 states have call successors, (1523), 295 states have call predecessors, (1523), 294 states have return successors, (1519), 1517 states have call predecessors, (1519), 1519 states have call successors, (1519) [2023-11-24 23:20:46,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 4517 states and 6536 transitions. [2023-11-24 23:20:46,121 INFO L78 Accepts]: Start accepts. Automaton has 4517 states and 6536 transitions. Word has length 514 [2023-11-24 23:20:46,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:46,125 INFO L495 AbstractCegarLoop]: Abstraction has 4517 states and 6536 transitions. [2023-11-24 23:20:46,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-24 23:20:46,126 INFO L276 IsEmpty]: Start isEmpty. Operand 4517 states and 6536 transitions. [2023-11-24 23:20:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2023-11-24 23:20:46,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:20:46,147 INFO L195 NwaCegarLoop]: trace histogram [50, 49, 49, 49, 49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:20:46,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:20:46,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-24 23:20:46,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:20:46,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1380138458, now seen corresponding path program 1 times [2023-11-24 23:20:46,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:20:46,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035442422] [2023-11-24 23:20:46,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:20:46,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:20:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:20:47,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9506 trivial. 0 not checked. [2023-11-24 23:20:47,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:20:47,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035442422] [2023-11-24 23:20:47,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035442422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:20:47,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:20:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:20:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660959071] [2023-11-24 23:20:47,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:20:47,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:20:47,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:20:47,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:20:47,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:47,769 INFO L87 Difference]: Start difference. First operand 4517 states and 6536 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-24 23:20:52,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:20:52,933 INFO L93 Difference]: Finished difference Result 10867 states and 15718 transitions. [2023-11-24 23:20:52,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:20:52,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 524 [2023-11-24 23:20:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:20:52,998 INFO L225 Difference]: With dead ends: 10867 [2023-11-24 23:20:52,999 INFO L226 Difference]: Without dead ends: 6449 [2023-11-24 23:20:53,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:20:53,023 INFO L413 NwaCegarLoop]: 3036 mSDtfsCounter, 2990 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2990 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:20:53,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2990 Valid, 5888 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-24 23:20:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6449 states. [2023-11-24 23:20:53,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6449 to 6424. [2023-11-24 23:20:53,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6424 states, 3866 states have (on average 1.2982410760475944) internal successors, (5019), 3910 states have internal predecessors, (5019), 2126 states have call successors, (2126), 431 states have call predecessors, (2126), 429 states have return successors, (2122), 2114 states have call predecessors, (2122), 2122 states have call successors, (2122) [2023-11-24 23:20:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6424 states to 6424 states and 9267 transitions. [2023-11-24 23:20:53,662 INFO L78 Accepts]: Start accepts. Automaton has 6424 states and 9267 transitions. Word has length 524 [2023-11-24 23:20:53,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:20:53,664 INFO L495 AbstractCegarLoop]: Abstraction has 6424 states and 9267 transitions. [2023-11-24 23:20:53,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2023-11-24 23:20:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 6424 states and 9267 transitions.